Studies on the sources of benzo[a]pyrene in grain and aboveground tissues of rice plants | |
Li, PJ ; Li, XJ ; Stagnitti, F ; Zhang, HR ; Lin, X ; Zang, SY ; Zhuo, JC ; Xiong, XZ | |
刊名 | JOURNAL OF HAZARDOUS MATERIALS |
2009 | |
卷号 | 162期号:1页码:463-468 |
关键词 | Benzo[a]pyrene Original source Rice plant Grain quality Pot experiment |
ISSN号 | 0304-3894 |
通讯作者 | Li, PJ, Chinese Acad Sci, Inst Appl Ecol, POB 417, Shenyang 110016, Peoples R China |
中文摘要 | Rice plant pot experiments designed to identify benzo[a]pyrene (B[a]P) sources in plant tissues were conducted in an air-quality controlled greenhouse built to prevent contamination from B[a]P air pollution. Results from quartz sand cultures with control and 50, 100 and 500 mu g kg(-1) of B[a]P treatments were compared with those from outdoor field experiments, in which rice plants were exposed to polluted air in the urban area of Shenyang, China. When B[a]P was strictly controlled in both air and quartz sand culture medium, the background values of B[a]P in rice plant tissues were uniformly very low. There was no significant difference of B[a]P contents of rice grain between control and treatments of B[a]P in controlled air quality trials. This indicated that the source of B[a]P in the rice grains is not from any B[a]P in the root culture media. The B[a]P content of rice grain, husk, and stem with leaf sampled from outdoor field was up to 7.33-, 9.21- and 27.10-fold higher than corresponding tissues from air-quality controlled conditions. This indicated that polluted air is the main source of B[a]P in aboveground tissues. Therefore control of B[a]P pollution in ambient air is of prime importance for improving the quality of cereal crops. (c) 2008 Elsevier B.V. All rights reserved. |
学科主题 | Engineering ; Environmental; Engineering ; Civil; Environmental Sciences |
收录类别 | SCI |
资助信息 | Chinese National Natural Science Foundation [20277040, 20337010, 200413418506]; Australian Research Council [LP0455383]; Deakin University |
语种 | 英语 |
WOS记录号 | WOS:000263149400060 |
公开日期 | 2011-09-23 |
内容类型 | 期刊论文 |
源URL | [http://210.72.129.5/handle/321005/54243] |
专题 | 沈阳应用生态研究所_沈阳应用生态研究所_期刊论文 |
推荐引用方式 GB/T 7714 | Li, PJ,Li, XJ,Stagnitti, F,et al. Studies on the sources of benzo[a]pyrene in grain and aboveground tissues of rice plants[J]. JOURNAL OF HAZARDOUS MATERIALS,2009,162(1):463-468. |
APA | Li, PJ.,Li, XJ.,Stagnitti, F.,Zhang, HR.,Lin, X.,...&Xiong, XZ.(2009).Studies on the sources of benzo[a]pyrene in grain and aboveground tissues of rice plants.JOURNAL OF HAZARDOUS MATERIALS,162(1),463-468. |
MLA | Li, PJ,et al."Studies on the sources of benzo[a]pyrene in grain and aboveground tissues of rice plants".JOURNAL OF HAZARDOUS MATERIALS 162.1(2009):463-468. |
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